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Ammunition cartridge with reduced propellant charge

  • US 5,770,815 A
  • Filed: 08/14/1995
  • Issued: 06/23/1998
  • Est. Priority Date: 08/14/1995
  • Status: Expired due to Fees
First Claim
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1. An ammunition cartridge having a reduced propellant charge comprising:

  • a reusable case having a base end and an open end;

    a primer inserted in the base end of said case;

    means for rigidly positioning, forming, and securing a reduced propellant charge within said case, said means being a foam filler which is gasifiable and expellable from said case during firing of the cartridge said foam filler extending from, said base end toward said forward end, said foam filler having a tapered conical interior volume;

    a propellant charge inserted in said means for rigidly positioning, forming and securing;

    a projectile having an open interior volume and being inserted into and affixed to the open end of said case and extending forward of said open end; and

    a tracer material inserted into the open interior volume of said projectile.

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